Piston Disassembly Note

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

The piston could be damaged if blown out with great force. Blow the compressed air slowly to prevent the piston from suddenly popping out.

Insert a piece of wood in the caliper as shown in Fig 1 , and then blow compressed air through the bleeder screw hole to remove the piston from the caliper body.

Fig 1: Removing Piston From Caliper Body By Blowing Compressed Air Through Bleeder Screw Hole
Courtesy of MAZDA MOTORS CORP.